Facebook addon for google chrome allows you read facebook news feed and wall, you can also update your status by clicking on your profile picture.
In order to start using this addon you will first need to login to facebook in separate new tab in google chrome, go to facebook.com and login to facebook.
You can even post status update on facebook, just by clicking on your profile picture as shown in the image below.
I hope you like this facebook addon for google chrome, however this is an unofficial extension for facebook but there is no privacy leak or any other security issue as it is approved to be listed in official google chrome extension gallery
Install Facebook Notifications Addon For Google Chrome